When surveyors sight the summit, there is a risk they might not all measure the same point.
当测量员们看到山顶时，他们可能无法测量到同一个点。
2
My second point is, one important measure is hedging on the total amount of capital.
二是很重要的一项措施是，在总量上实行对冲。
3
The same with GDP: it was only ever intended to measure economic transactions and there's not much point in accusing it of failing to measure something else.